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Search Results for carbon - All Grades

1274 questions match "carbon". Refine Your Search

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Grade 7 Biochemical Pathways
Which of the following is the MOST important reason that the recycling of carbon is so important to living organisms?
  1. Carbon is needed in soil
  2. Carbon is needed for fuel combustion
  3. Carbon is needed to make organic molecules
  4. Carbon is needed to make coal
Grade 7 Rocks
How does carbon enter the soil?
  1. through dead organisms
  2. through photosynthesis
  3. through cellular respiration
  4. through combustion
Grade 7 Botany
Which of these is NOT a way that carbon cycles through the biosphere?
  1. photosynthesis
  2. transpiration
  3. combustion of fossil fuels
  4. decomposition
Grade 7 Biochemical Pathways
Which of the following is NOT a way that carbon is stored in the biosphere?
  1. atmosphere
  2. fossil fuels underground
  3. tissues of living organisms
  4. ozone
Grade 7 Biochemical Pathways
How do plants use carbon dioxide in photosynthesis?
  1. It is used for cellular respiration
  2. It is used to produce sunlight
  3. It is used to produce sugar
  4. It is released as a product of photosynthesis
Grade 7 Food Chains and Webs
How do animals obtain carbon to be used in cellular processes?
  1. by breathing in carbon dioxide
  2. by eating plants or other animals
  3. by photosynthesis
  4. by carbon fixation
Grade 11 Biogeochemical Cycles
Grade 7 Biochemical Pathways
How does carbon dioxide in the atmosphere enter into living organisms?
  1. burning of forests
  2. combustion of fossil fuels
  3. photosynthesis
  4. transpiration
Grade 7 Biochemical Pathways
Through which process do living organisms release carbon into the atmosphere?
  1. photosynthesis
  2. cellular respiration
  3. transpiration
  4. combustion
Grade 7 Biogeochemical Cycles
Which of the following is NOT a way that carbon in dead organisms is returned to the carbon cycle?
  1. by becoming fossil fuel
  2. through combustion
  3. through decomposition
  4. through photosynthesis
Grade 6 Biogeochemical Cycles
Grade 11 Biogeochemical Cycles
Which reservoir contains the most carbon?
  1. atmosphnere
  2. deep oceans
  3. vegetation
  4. sediments
Grade 9 Biogeochemical Cycles
Which biogeochemical cycle is pictured below?
Carbon Cycle With Text Labels
  1. carbon cycle
  2. water cycle
  3. nitrogen cycle
  4. phosphorus cycle
Grade 9 Biogeochemical Cycles
Which biogeochemical cycle is pictured below?
Carbon Cycle With Text Labels
  1. carbon
  2. water
  3. nitrogen
  4. phosphorus
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